55 lines
1.4 KiB
TypeScript
55 lines
1.4 KiB
TypeScript
import { Injectable } from '@angular/core';
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import {
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ActivatedRouteSnapshot,
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CanActivate,
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Router,
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RouterStateSnapshot,
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UrlTree,
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} from '@angular/router';
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import { Observable } from 'rxjs';
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import { environment } from 'src/environments/environment';
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import jwt_decode from 'jwt-decode';
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@Injectable({
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providedIn: 'root',
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})
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export class AuthGuard implements CanActivate {
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private tokenKey: string;
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constructor(private router: Router) {
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this.tokenKey = environment.tokenKey;
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}
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canActivate(
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route: ActivatedRouteSnapshot,
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state: RouterStateSnapshot
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):
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| Observable<boolean | UrlTree>
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| Promise<boolean | UrlTree>
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| boolean
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| UrlTree {
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const token = localStorage.getItem(this.tokenKey);
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if (token) {
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const decodedToken = jwt_decode<any>(token);
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console.log('decodedToken : ', decodedToken);
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if (decodedToken.exp) {
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console.log("Date d'exp decodedToken : ", decodedToken.exp);
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const dateExp = new Date(decodedToken.exp * 1000);
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if (new Date() >= dateExp) {
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// le token a expiré, je n'autorise pas l'accès
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this.router.navigate(['accueil']);
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return false;
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}
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}
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console.log("C'est ok ! ");
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return true;
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} else {
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console.log('You shall not pass !!!!');
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this.router.navigate(['accueil']); // redirection de notre utilisateur vers une url de notre application (dans notre code TS)
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return false;
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}
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}
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}
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